CVE-2025-0239 Affecting firefox package, versions <0:128.6.0-1.el8_10


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.23% (14th percentile)

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  • Snyk IDSNYK-ALMALINUX8-FIREFOX-8617963
  • published11 Jan 2025
  • disclosed8 Jan 2025

Introduced: 8 Jan 2025

CVE-2025-0239  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 firefox to version 0:128.6.0-1.el8_10 or higher.
This issue was patched in ALSA-2025:0144.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

CVSS Base Scores

version 3.1